Catalina monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Catalina

Catalina average temperature chart (Celsius) Catalina average temperature chart (Fahrenheit)
Average monthly temperatures in Catalina (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.5 -2.2 0 3.7 8.7 14.1 18.9 18.7 14.9 9.9 5.4 0.9
°F 29.4 28 32 38.6 47.6 57.4 66.1 65.7 58.8 49.7 41.8 33.6

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Catalina monthly rainfall chart (mm) Catalina monthly rainfall chart (inches)
Average monthly rainfall in Catalina (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 99 102 91 84 76 79 66 84 94 123 112 105
inches 3.9 4 3.6 3.3 3 3.1 2.6 3.3 3.7 4.9 4.4 4.1
Rainy days 15 13 14 14 13 12 11 13 13 16 16 16

Average annual rainfall in Catalina: 1108.6mm (436.5 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Catalina

Catalina average daily sunshine chart
Average daily sunshine Catalina
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.7 3.7 4.1 4.8 5.8 6.9 7.7 6.7 5 3.6 2.6 2.2

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Catalina average minimum / maximum temperatures (Celsius) Catalina average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Catalina (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -7.7 -8.8 -6 -2 1.2 5.3 10.3 11.3 8.2 4 0.3 -4.6
Max °C -1.3 -2.1 0.2 3.8 8.9 14.4 19.2 18.9 15.1 10 5.6 1
Min °F 18.1 16.3 21.3 28.4 34.1 41.5 50.5 52.3 46.7 39.2 32.5 23.7
Max °F 23.9 22.3 26.8 33.6 41 49.6 58.5 59.2 52.9 44.6 37.2 28.8

Sea temperature

The graph below shows the average sea temperature.

Catalina average sea temperature chart (Celsius) Catalina average sea temperature chart (Fahrenheit)
Average sea temperature around Catalina in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.5 -0.1 -0 0.5 2.2 5.2 10.1 13.4 11.8 8.1 4.4 1.8
°F 32.8 31.9 32 33 35.9 41.3 50.2 56.1 53.2 46.5 40 35.2

Wind speed

The graph below shows the average wind speed.

Catalina average winspeed by month (km/h) Catalina average winspeed by month (mph)
Average wind speed in Catalina (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 34 32 29 26 24 23 22 23 25 28 31 33
mph 21 20 18 16 15 15 14 14 16 18 19 20

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Catalina relative humidity averages
Average relative humidity in Catalina
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 83% 84% 85% 84% 83% 83% 83% 83% 82% 83% 83%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Catalina weather stats

Catalina weather statistics
Hottest month: August 18.7°C 65.7°F
Driest month: July 66mm 2.6ins
Sunniest month: July 7.7hrs
Coldest month: February -2.2°C 28°F
Wettest month: October 123mm 4.8ins
Warmest sea: August 13.4°C 56.1°F
Map showing location of Catalina (48.51659, -53.08135) Catalina map pin © Google

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